Update more t() calls

Replace deprecated functions with new syntax.

Replace deprecated functions with new syntax.

- Add `use Friendica\App;` wherever needed

---------------------
function bla (App &$a) {
	$a->bla = 'stuff';
}
---------------------

Signed-off-by: Roland Häder <roland@mxchange.org>

- Fix formatting according to PSR-2
- Add bandwitdh_saver setting check before replacing with "Embedded
content - Please reload"

This reverts commit db949bb802.

Only define functions if they have not been defined before, e.g. in themes. This makes it possible to override parts of a module and still use the other functions.

Pass profile owner through HTML (yuk) to the ajax updater - as
browser  pre-fetch totally buggers passing it via the server session.